Networking Acronyms

Question 1

IP

Answer 1

Internet Protocol

Assigns addresses to devices on a network and routes data between them.

Question 2

DNS

Answer 2

Domain Name System

Translates domain names (e.g., www.example.com) into IP addresses so browsers can load web pages

Question 3

DHCP

Answer 3

Dynamic Host Configuration Protocol

Automatically assigns IP addresses to devices on a network

Question 4

TCP

Answer 4

Transmission Control Protocol

Ensures reliable transmission of data by establishing connections and guaranteeing packet delivery

Question 5

UDP

Answer 5

User Datagram Protocol

Transmits data without guaranteeing delivery, used for speed-critical applications like streaming.

Question 6

LAN

Answer 6

Local Area Network

A network covering a small geographic area, like a home, office, or building.

Question 7

WAN

Answer 7

Wide Area Network

A network that covers a large geographic area, often used to connect multiple LANs

Question 8

WLAN

Answer 8

Wireless Local Area Network

A wireless version of a LAN that connects devices over Wi-Fi

Question 9

VPN

Answer 9

Virtual Private Network

Creates a secure, encrypted connection over a less secure network, like the internet

Question 10

SSID

Answer 10

Service Set Identifier

The unique name identifying a wireless network.

Question 11

NAT

Answer 11

Network Address Translation

Translates private IP addresses to a public IP address for internet access.

Question 12

MAC

Answer 12

Media Access Control

The physical address assigned to a network interface card (NIC) for communication within a network

Question 13

PoE

Answer 13

Power over Ethernet

Delivers electrical power and data over standard Ethernet cables to devices like cameras or access points

Question 14

HTTP

Answer 14

Hypertext Transfer Protocol

Transfers web pages from a server to a browser in plain text

Question 15

HTTPS

Answer 15

Hypertext Transfer Protocol Secure

Secure version of HTTP, encrypts data sent between a user’s browser and the web server

Question 16

FTP

Answer 16

File Transfer Protocol

Transfers files between a client and a server over a network

Question 17

SSH

Answer 17

Secure Shell

A protocol for secure remote login and other secure network services over an unsecured network

Question 18

VoIP

Answer 18

Voice over Internet Protocol

Transmits voice communication over the internet instead of using traditional telephone lines

Question 19

ISP

Answer 19

Internet Service Provider

A company that provides access to the internet for a fee

Question 20

VLAN

Answer 20

Virtual Local Area Network

Groups devices on different LAN segments into a single, logical LAN for better security and management